Bash reference manual errata

In Bourne shell builtin(https://www.gnu.org/software/bash/manual/bash.html#Bourne-Shell-Builtins ), shift command "Parameters represented by the numbers $# to $#-n+1 are unset." should be "Parameters represented by the

Bash manual bug : redundant info

In 4.3.2 The Shopt Builtin, The statement below appears twice redundantly. The return status when listing options is zero if all optnames are enabled, non-zero otherwise. When setting or unsetting options, the return status is zero unless an optname is not a valid shell option.

errata in bash manual

In this section https://www.gnu.org/software/bash/manual/bash.html#Shell-Parameter-Expansion (substring expansion) If offset is 0, and the positional parameters are used, $@ is prefixed to the list. should be If o